# Bar Code Reader vs 미세먼지

The clearest difference is ads: Bar Code Reader at none against 미세먼지's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on September 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Bar Code Reader | 미세먼지 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/bar-code-reader-qr-scanner/id6742775260/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free | — |
| Size | 68 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [长金 陶](https://appshunter.io/developer/1657336976) | [HeungYeol Kim](https://appshunter.io/developer/1878087341) |

## What reviewers say

### Bar Code Reader

[App page](https://appshunter.io/ios/app/bar-code-reader-qr-scanner/id6742775260)

This app quickly scans and generates QR codes and barcodes for various data types like URLs, contacts, and Wi-Fi. It offers a history of scans and allows for easy sharing. Optimized for low-light conditions, it prioritizes user privacy.

**Highlights:** Ultra-fast and precise scanning, QR code and barcode generation, Scan history management, Effortless sharing and exporting, Flashlight support for low-light, Privacy and security focused

**Features:** macOS Compatibility

**In-app purchases:** none


### 미세먼지

[App page](https://appshunter.io/ios/app/id6759913482)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bar Code Reader free?

Bar Code Reader is free to download, with no in-app purchases.

### Is 미세먼지 free?

미세먼지 is free to download, with no in-app purchases.

### Do Bar Code Reader or 미세먼지 have ads?

미세먼지 shows ads; Bar Code Reader does not.

### Which is updated more often, Bar Code Reader or 미세먼지?

Bar Code Reader ships an update every 5 days, and 미세먼지 every 5 days. Most recently, Bar Code Reader was updated on September 28, 2026 and 미세먼지 on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*